53305U Bearing Specifications
Bore d (mm)
25
Outer D (mm)
52
Width B (mm)
19.8
Dynamic rating Cr (kN)
36
Static rating Cor (kN)
61.5
Grease limit speed (r/min)
3200
Oil limit speed (r/min)
5000
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 53305U?
RUIST 53305U Bearing: bore d = 25 mm, outer diameter D = 52 mm, width/height B = 19.8 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 53305U carry?
Dynamic load rating Cr = 36 kN and static load rating Cor = 61.5 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 53305U typically used?
Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 53305U replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 25 mm, OD 52 mm and width 19.8 mm match ISO dimensions, 53305U is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.